it looks like you have unbalanced quotes in the line containing: DELIVERED/BUYER'S INDEX
try putting the option quotes = '' Sent from my iPad On Jun 20, 2014, at 6:02, S N V Krishna <kris...@primps.com.sg> wrote: > DELIVERED/BUYER'S INDEX ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.